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"Also known as scouring rush, horsetail is a primitive plant used in a variety of herbal remedies. Learn how horsetail can help treat bladder infections and bladder weakness, and strengthen bone, hair, and fingernails."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/wellness/natural-medicine/herbal-remedies/horsetail-herbal-remedies1.htm>